gcc/config/sparc/sysv4.h

   1 /* Target definitions for GNU compiler for Sparc running System V.4
   2    Copyright (C) 1991 Free Software Foundation, Inc.
   3
   4    Written by Ron Guilmette (rfg@ncd.com).
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GNU CC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU CC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  21
  22 #include "sparc.h"
  23 #include "svr4.h"
  24
  25 /* Provide a set of pre-definitions and pre-assertions appropriate for
  26    the sparc running svr4.  __svr4__ is our extension.  */
  27
  28 #define CPP_PREDEFINES \
  29   "-Dsparc -Dunix -D__svr4__ -Asystem(unix) -Acpu(sparc) -Amachine(sparc)"
  30
  31 #define ASM_COMMENT_START "!"
  32
  33 #undef TYPE_OPERAND_FMT
  34 #define TYPE_OPERAND_FMT      "#%s"
  35
  36 /* Define how the sparc registers should be numbered for Dwarf output.
  37    The numbering provided here should be compatible with the native
  38    svr4 SDB debugger in the sparc/svr4 reference port.  */
  39
  40 #define DBX_REGISTER_NUMBER(REGNO)                                      \
  41   ((REGNO) < 32) ? (REGNO) : ((REGNO) + 8))
  42
  43 /* A pair of defines for the set of pseudo-ops used to switch to the
  44    .ctors and .dtors sections.  Note that on the sparc, all user-defined
  45    sections have the "progbits" attribute by default, so we don't even
  46    specify it here.  */
  47
  48 #define CTORS_SECTION_ASM_OP    "\t.section\t.ctors,\"a\""
  49 #define DTORS_SECTION_ASM_OP    "\t.section\t.dtors,\"a\""